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1. STRUCTURE
Swing device consists swing motor and swing reduction gear.
SWING MOTOR
Swing motor include mechanical parking valve, relief valve, make up valve and time delay valve.
GROUP 3 SWING DEVICE
B
Mu
DB
A
PB
B Mu A
HYDRAULIC CIRCUIT
GA
GB
PB
PB
B
Mu
DB
A
GA
GB
Relief valve
Name plate
Output shaft
Check valve
Port
A
B
DB
Mu
PB
GA,GB
Port name
Main port
Main port
Drain port
Make up port
Brake release port
Gage port
Port size
PF 3/8
PF 3/8
PF 3/8
PF 3/8
PF 1/4
PF 1/8
R35Z72SM01
1)